JPH01171353U - - Google Patents
Info
- Publication number
- JPH01171353U JPH01171353U JP6803788U JP6803788U JPH01171353U JP H01171353 U JPH01171353 U JP H01171353U JP 6803788 U JP6803788 U JP 6803788U JP 6803788 U JP6803788 U JP 6803788U JP H01171353 U JPH01171353 U JP H01171353U
- Authority
- JP
- Japan
- Prior art keywords
- reflecting mirror
- light source
- light
- optical sensor
- ring pattern
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 3
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6803788U JPH01171353U (ru) | 1988-05-25 | 1988-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6803788U JPH01171353U (ru) | 1988-05-25 | 1988-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171353U true JPH01171353U (ru) | 1989-12-05 |
Family
ID=31293367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6803788U Pending JPH01171353U (ru) | 1988-05-25 | 1988-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171353U (ru) |
-
1988
- 1988-05-25 JP JP6803788U patent/JPH01171353U/ja active Pending